diff --git a/sohstationviewer/model/reftek/log_info.py b/sohstationviewer/model/reftek/log_info.py
index 2ce79fef548c265d8b4c371fe938e4a3b6379c33..54756cdfee58af8b33f9529cd854bc7582b55609 100644
--- a/sohstationviewer/model/reftek/log_info.py
+++ b/sohstationviewer/model/reftek/log_info.py
@@ -205,10 +205,10 @@ class LogInfo():
             return False
         return epoch, disk, val
 
-    def read_dsp_clock_diff(self, line: str
+    def read_dps_clock_diff(self, line: str
                             ) -> Union[bool, Tuple[float, float]]:
         """
-        Read DSP clock difference
+        Read DPS clock difference
         :param line: str - a line of evt message
         :return epoch: float - time when info is recorded
         :return total: float - total difference time in milliseconds
@@ -416,11 +416,11 @@ class LogInfo():
                 if epoch:
                     self.add_chan_info('Jerks/DSP Sets', epoch, 0, idx)
 
-            elif "DSP CLOCK DIFFERENCE" in line:
-                ret = self.read_dsp_clock_diff(line)
+            elif "DPS clock diff" in line:
+                ret = self.read_dps_clock_diff()
                 if ret:
                     epoch, total = ret
-                    self.add_chan_info('DSP Clock Diff', epoch, total, idx)
+                    self.add_chan_info('DPS Clock Diff', epoch, total, idx)
 
             elif "ACQUISITION STARTED" in line:
                 epoch = self.simple_read(line)[1]